how to calculate the weight of the gas
Answers
hey mate here is your answer..
To determine the molecular weight of a gas, we measure the volume, temperature, and pressure of a known mass of a gas. We can use the Ideal Gas Law to calculate the number of moles of gas we have, and then divide this number into the mass to get the molecular weight.
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When we look at a glass with no water in it or a paint can after all the paint is used, we usually think of it as empty. However, these cylinders aren’t really empty. They are full of gas: the air that surrounds us. Air, as well as gases such as hydrogen and helium, has mass. If you could put a gas on a scale, you’d find it has a specific weight that depends on the density of the particular kind of gas. However, you can figure the weight of gas in a cylinder if you calculate the volume of the cylinder and know the density of the gas it contains.